Piston Ring Installation - Sym GTS 250 Service Manual

7. Cylinder / Piston

Piston Ring Installation

Clean up piston top, ring groove, and piston surface.
Install the piston ring onto piston carefully.
Place the openings of piston ring as diagram shown.
Caution
Do not damage piston and piston rings as installation.
All marks on the piston rings must be forwarded to up side.
Make sure that all piston rings can be rotated freely after installed.
Top groove
nd
2 groove
Oil groove
7-6
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Top ring
nd
2 ring
Oil ring